/*jslint unparam: true, browser: true, indent: 2 */

;
(function ($, window, document, undefined) {
    'use strict';

    Foundation.libs.joyride = {
        name: 'joyride',

        version: '4.0.0',

        defaults: {
            tipLocation: 'bottom',  // 'top' or 'bottom' in relation to parent
            nubPosition: 'auto',    // override on a per tooltip bases
            scrollSpeed: 300,       // Page scrolling speed in milliseconds
            timer: 0,         // 0 = no timer , all other numbers = timer in milliseconds
            startTimerOnClick: true,      // true or false - true requires clicking the first button start the timer
            startOffset: 0,         // the index of the tooltip you want to start on (index of the li)
            nextButton: true,      // true or false to control whether a next button is used
            tipAnimation: 'fade',    // 'pop' or 'fade' in each tip
            pauseAfter: [],        // array of indexes where to pause the tour after
            tipAnimationFadeSpeed: 300,       // when tipAnimation = 'fade' this is speed in milliseconds for the transition
            cookieMonster: false,     // true or false to control whether cookies are used
            cookieName: 'joyride', // Name the cookie you'll use
            cookieDomain: false,     // Will this cookie be attached to a domain, ie. '.notableapp.com'
            cookieExpires: 365,       // set when you would like the cookie to expire.
            tipContainer: 'body',    // Where will the tip be attached
            postRideCallback: function () {
            },    // A method to call once the tour closes (canceled or complete)
            postStepCallback: function () {
            },    // A method to call after each step
            template: { // HTML segments for tip layout
                link: '<a href="#close" class="joyride-close-tip">&times;</a>',
                timer: '<div class="joyride-timer-indicator-wrap"><span class="joyride-timer-indicator"></span></div>',
                tip: '<div class="joyride-tip-guide"><span class="joyride-nub"></span></div>',
                wrapper: '<div class="joyride-content-wrapper"></div>',
                button: '<a href="#" class="small button joyride-next-tip"></a>'
            }
        },

        settings: {},

        init: function (scope, method, options) {
            this.scope = scope || this.scope;
            Foundation.inherit(this, 'throttle data_options scrollTo scrollLeft delay');

            if (typeof method === 'object') {
                $.extend(true, this.settings, this.defaults, method);
            } else {
                $.extend(true, this.settings, this.defaults, options);
            }

            if (typeof method != 'string') {
                if (!this.settings.init) this.events();

                return this.settings.init;
            } else {
                return this[method].call(this, options);
            }
        },

        events: function () {
            var self = this;

            $(this.scope)
                .on('click.joyride', '.joyride-next-tip, .joyride-modal-bg', function (e) {
                    e.preventDefault();

                    if (this.settings.$li.next().length < 1) {
                        this.end();
                    } else if (this.settings.timer > 0) {
                        clearTimeout(this.settings.automate);
                        this.hide();
                        this.show();
                        this.startTimer();
                    } else {
                        this.hide();
                        this.show();
                    }

                }.bind(this))

                .on('click.joyride', '.joyride-close-tip', function (e) {
                    e.preventDefault();
                    this.end();
                }.bind(this));

            $(window).on('resize.fndtn.joyride', self.throttle(function () {
                if ($('[data-joyride]').length > 0 && self.settings.$next_tip) {
                    if (self.is_phone()) {
                        self.pos_phone();
                    } else {
                        self.pos_default();
                    }
                }
            }, 100));

            this.settings.init = true;
        },

        start: function () {
            var self = this,
                $this = $(this.scope).find('[data-joyride]'),
                integer_settings = ['timer', 'scrollSpeed', 'startOffset', 'tipAnimationFadeSpeed', 'cookieExpires'],
                int_settings_count = integer_settings.length;

            if (!this.settings.init) this.init();
            $.extend(true, this.settings, this.data_options($this));

            // non configureable settings
            this.settings.$content_el = $this;
            this.settings.body_offset = $(this.settings.tipContainer).position();
            this.settings.$tip_content = this.settings.$content_el.find('> li');
            this.settings.paused = false;
            this.settings.attempts = 0;

            // Make sure that settings parsed from data_options are integers where necessary
            for (var i = int_settings_count - 1; i >= 0; i--) {
                this.settings[integer_settings[i]] = parseInt(this.settings[integer_settings[i]], 10);
            }

            this.settings.tipLocationPatterns = {
                top: ['bottom'],
                bottom: [], // bottom should not need to be repositioned
                left: ['right', 'top', 'bottom'],
                right: ['left', 'top', 'bottom']
            };

            // can we create cookies?
            if (typeof $.cookie !== 'function') {
                this.settings.cookieMonster = false;
            }

            // generate the tips and insert into dom.
            if (!this.settings.cookieMonster || this.settings.cookieMonster && $.cookie(this.settings.cookieName) === null) {

                this.settings.$tip_content.each(function (index) {
                    self.create({$li: $(this), index: index});
                });

                // show first tip
                if (!this.settings.startTimerOnClick && this.settings.timer > 0) {
                    this.show('init');
                    this.startTimer();
                } else {
                    this.show('init');
                }

            }
        },

        resume: function () {
            this.set_li();
            this.show();
        },

        tip_template: function (opts) {
            var $blank, content;

            opts.tip_class = opts.tip_class || '';

            $blank = $(this.settings.template.tip).addClass(opts.tip_class);
            content = $.trim($(opts.li).html()) +
                this.button_text(opts.button_text) +
                this.settings.template.link +
                this.timer_instance(opts.index);

            $blank.append($(this.settings.template.wrapper));
            $blank.first().attr('data-index', opts.index);
            $('.joyride-content-wrapper', $blank).append(content);

            return $blank[0];
        },

        timer_instance: function (index) {
            var txt;

            if ((index === 0 && this.settings.startTimerOnClick && this.settings.timer > 0) || this.settings.timer === 0) {
                txt = '';
            } else {
                txt = this.outerHTML($(this.settings.template.timer)[0]);
            }
            return txt;
        },

        button_text: function (txt) {
            if (this.settings.nextButton) {
                txt = $.trim(txt) || 'Next';
                txt = this.outerHTML($(this.settings.template.button).append(txt)[0]);
            } else {
                txt = '';
            }
            return txt;
        },

        create: function (opts) {
            // backwards compatability with data-text attribute
            var buttonText = opts.$li.attr('data-button') || opts.$li.attr('data-text'),
                tipClass = opts.$li.attr('class'),
                $tip_content = $(this.tip_template({
                    tip_class: tipClass,
                    index: opts.index,
                    button_text: buttonText,
                    li: opts.$li
                }));

            $(this.settings.tipContainer).append($tip_content);
        },

        show: function (init) {
            var $timer = null;

            // are we paused?
            if (this.settings.$li === undefined
                || ($.inArray(this.settings.$li.index(), this.settings.pauseAfter) === -1)) {

                // don't go to the next li if the tour was paused
                if (this.settings.paused) {
                    this.settings.paused = false;
                } else {
                    this.set_li(init);
                }

                this.settings.attempts = 0;

                if (this.settings.$li.length && this.settings.$target.length > 0) {

                    this.settings.tipSettings = $.extend(true,
                        this.settings, this.data_options(this.settings.$li));

                    this.settings.timer = parseInt(this.settings.timer, 10);

                    this.settings.tipSettings.tipLocationPattern = this.settings.tipLocationPatterns[this.settings.tipSettings.tipLocation];

                    // scroll if not modal
                    if (!/body/i.test(this.settings.$target.selector)) {
                        this.scroll_to();
                    }

                    if (this.is_phone()) {
                        this.pos_phone(true);
                    } else {
                        this.pos_default(true);
                    }

                    $timer = this.settings.$next_tip.find('.joyride-timer-indicator');

                    if (/pop/i.test(this.settings.tipAnimation)) {

                        $timer.width(0);

                        if (thsi.settings.timer > 0) {

                            this.settings.$next_tip.show();

                            this.delay(function () {
                                $timer.animate({
                                    width: $timer.parent().width()
                                }, this.settings.timer, 'linear');
                            }.bind(this), this.settings.tipAnimationFadeSpeed);

                        } else {
                            this.settings.$next_tip.show();

                        }


                    } else if (/fade/i.test(this.settings.tipAnimation)) {

                        $timer.width(0);

                        if (this.settings.timer > 0) {

                            this.settings.$next_tip
                                .fadeIn(this.settings.tipAnimationFadeSpeed)
                                .show();

                            this.delay(function () {
                                $timer.animate({
                                    width: $timer.parent().width()
                                }, this.settings.timer, 'linear');
                            }.bind(this), this.settings.tipAnimationFadeSpeed);

                        } else {
                            this.settings.$next_tip.fadeIn(this.settings.tipAnimationFadeSpeed);

                        }
                    }

                    this.settings.$current_tip = this.settings.$next_tip;

                    // skip non-existant targets
                } else if (this.settings.$li && this.settings.$target.length < 1) {

                    this.show();

                } else {

                    this.end();

                }
            } else {

                this.settings.paused = true;

            }

        },

        is_phone: function () {
            if (Modernizr) {
                return Modernizr.mq('only screen and (max-width: 767px)') || $('.lt-ie9').length > 0;
            }

            return (this.settings.$window.width() < 767) ? true : false;
        },

        hide: function () {
            this.settings.postStepCallback(this.settings.$li.index(),
                this.settings.$current_tip);
            $('.joyride-modal-bg').hide();
            this.settings.$current_tip.hide();
        },

        set_li: function (init) {
            if (init) {
                this.settings.$li = this.settings.$tip_content.eq(this.settings.startOffset);
                this.set_next_tip();
                this.settings.$current_tip = this.settings.$next_tip;
            } else {
                this.settings.$li = this.settings.$li.next();
                this.set_next_tip();
            }

            this.set_target();
        },

        set_next_tip: function () {
            this.settings.$next_tip = $(".joyride-tip-guide[data-index='" + this.settings.$li.index() + "']");
        },

        set_target: function () {
            var cl = this.settings.$li.attr('data-class'),
                id = this.settings.$li.attr('data-id'),
                $sel = function () {
                    if (id) {
                        return $(document.getElementById(id));
                    } else if (cl) {
                        return $('.' + cl).first();
                    } else {
                        return $('body');
                    }
                };

            this.settings.$target = $sel();
        },

        scroll_to: function () {
            var window_half, tipOffset;

            window_half = $(window).height() / 2;
            tipOffset = Math.ceil(this.settings.$target.col - md - offset - ().top - window_half + this.outerHeight(this.settings.$next_tip));
            if (tipOffset > 0) {
                this.scrollTo($('html, body'), tipOffset, this.settings.scrollSpeed);
            }
        },

        paused: function () {
            if (($.inArray((this.settings.$li.index() + 1), this.settings.pauseAfter) === -1)) {
                return true;
            }

            return false;
        },

        restart: function () {
            this.hide();
            this.settings.$li = undefined;
            this.show('init');
        },

        pos_default: function (init) {
            var half_fold = Math.ceil($(window).height() / 2),
                tip_position = this.settings.$next_tip.col - md - offset - (),
                $nub = this.settings.$next_tip.find('.joyride-nub'),
                nub_height = Math.ceil(this.outerHeight($nub) / 2),
                toggle = init || false;

            // tip must not be "display: none" to calculate position
            if (toggle) {
                this.settings.$next_tip.css('visibility', 'hidden');
                this.settings.$next_tip.show();
            }

            if (!/body/i.test(this.settings.$target.selector)) {

                if (this.bottom()) {
                    this.settings.$next_tip.css({
                        top: (this.settings.$target.col - md - offset - ().top + nub_height + this.outerHeight(this.settings.$target)),
                        left: this.settings.$target.col - md - offset - ().left
                    });

                    this.nub_position($nub, this.settings.tipSettings.nubPosition, 'top');

                } else if (this.top()) {

                    this.settings.$next_tip.css({
                        top: (this.settings.$target.col - md - offset - ().top - this.outerHeight(this.settings.$next_tip) - nub_height),
                        left: this.settings.$target.col - md - offset - ().left
                    });

                    this.nub_position($nub, this.settings.tipSettings.nubPosition, 'bottom');

                } else if (this.right()) {

                    this.settings.$next_tip.css({
                        top: this.settings.$target.col - md - offset - ().top,
                        left: (this.outerWidth(this.settings.$target) + this.settings.$target.col - md - offset - ().left)
                    });

                    this.nub_position($nub, this.settings.tipSettings.nubPosition, 'left');

                } else if (this.left()) {

                    this.settings.$next_tip.css({
                        top: this.settings.$target.col - md - offset - ().top,
                        left: (this.settings.$target.col - md - offset - ().left - this.outerWidth(this.settings.$next_tip) - nub_height)
                    });

                    this.nub_position($nub, this.settings.tipSettings.nubPosition, 'right');

                }

                if (!this.visible(this.corners(this.settings.$next_tip)) && this.settings.attempts < this.settings.tipSettings.tipLocationPattern.length) {

                    $nub.removeClass('bottom')
                        .removeClass('top')
                        .removeClass('right')
                        .removeClass('left');

                    this.settings.tipSettings.tipLocation = this.settings.tipSettings.tipLocationPattern[this.settings.attempts];

                    this.settings.attempts++;

                    this.pos_default(true);

                }

            } else if (this.settings.$li.length) {

                this.pos_modal($nub);

            }

            if (toggle) {
                this.settings.$next_tip.hide();
                this.settings.$next_tip.css('visibility', 'visible');
            }

        },

        pos_phone: function (init) {
            var tip_height = this.outerHeight(this.settings.$next_tip),
                tip_offset = this.settings.$next_tip.col - md - offset - (),
                target_height = this.outerHeight(this.settings.$target),
                $nub = $('.joyride-nub', this.settings.$next_tip),
                nub_height = Math.ceil(this.outerHeight($nub) / 2),
                toggle = init || false;

            $nub.removeClass('bottom')
                .removeClass('top')
                .removeClass('right')
                .removeClass('left');

            if (toggle) {
                this.settings.$next_tip.css('visibility', 'hidden');
                this.settings.$next_tip.show();
            }

            if (!/body/i.test(this.settings.$target.selector)) {

                if (this.top()) {

                    this.settings.$next_tip.col - md - offset - ({top: this.settings.$target.col - md - offset - ().top - tip_height - nub_height});
                    $nub.addClass('bottom');

                } else {

                    this.settings.$next_tip.col - md - offset - ({top: this.settings.$target.col - md - offset - ().top + target_height + nub_height});
                    $nub.addClass('top');

                }

            } else if (this.settings.$li.length) {

                this.pos_modal($nub);

            }

            if (toggle) {
                this.settings.$next_tip.hide();
                this.settings.$next_tip.css('visibility', 'visible');
            }
        },

        pos_modal: function ($nub) {
            this.center();
            $nub.hide();

            if ($('.joyride-modal-bg').length < 1) {
                $('body').append('<div class="joyride-modal-bg">').show();
            }

            if (/pop/i.test(this.settings.tipAnimation)) {
                $('.joyride-modal-bg').show();
            } else {
                $('.joyride-modal-bg').fadeIn(this.settings.tipAnimationFadeSpeed);
            }
        },

        center: function () {
            var $w = $(window);

            this.settings.$next_tip.css({
                top: ((($w.height() - this.outerHeight(this.settings.$next_tip)) / 2) + $w.scrollTop()),
                left: ((($w.width() - this.outerWidth(this.settings.$next_tip)) / 2) + this.scrollLeft($w))
            });

            return true;
        },

        bottom: function () {
            return /bottom/i.test(this.settings.tipSettings.tipLocation);
        },

        top: function () {
            return /top/i.test(this.settings.tipSettings.tipLocation);
        },

        right: function () {
            return /right/i.test(this.settings.tipSettings.tipLocation);
        },

        left: function () {
            return /left/i.test(this.settings.tipSettings.tipLocation);
        },

        corners: function (el) {
            var w = $(window),
                right = w.width() + this.scrollLeft(w),
                bottom = w.width() + w.scrollTop();

            return [
                el.col - md - offset - ().top <= w.scrollTop(),
                right <= el.col - md - offset - ().left + this.outerWidth(el),
                bottom <= el.col - md - offset - ().top + this.outerHeight(el),
                this.scrollLeft(w) >= el.col - md - offset - ().left
            ];
        },

        visible: function (hidden_corners) {
            var i = hidden_corners.length;

            while (i--) {
                if (hidden_corners[i]) return false;
            }

            return true;
        },

        nub_position: function (nub, pos, def) {
            if (pos === 'auto') {
                nub.addClass(def);
            } else {
                nub.addClass(pos);
            }
        },

        startTimer: function () {
            if (this.settings.$li.length) {
                this.settings.automate = setTimeout(function () {
                    this.hide();
                    this.show();
                    this.startTimer();
                }.bind(this), this.settings.timer);
            } else {
                clearTimeout(this.settings.automate);
            }
        },

        end: function () {
            if (this.settings.cookieMonster) {
                $.cookie(this.settings.cookieName, 'ridden', {
                    expires: this.settings.cookieExpires,
                    domain: this.settings.cookieDomain
                });
            }

            if (this.settings.timer > 0) {
                clearTimeout(this.settings.automate);
            }

            $('.joyride-modal-bg').hide();
            this.settings.$current_tip.hide();
            this.settings.postStepCallback(this.settings.$li.index(), this.settings.$current_tip);
            this.settings.postRideCallback(this.settings.$li.index(), this.settings.$current_tip);
        },

        outerHTML: function (el) {
            // support FireFox < 11
            return el.outerHTML || new XMLSerializer().serializeToString(el);
        },

        off: function () {
            $(this.scope).off('.joyride');
            $(window).off('.joyride');
            $('.joyride-close-tip, .joyride-next-tip, .joyride-modal-bg').off('.joyride');
            $('.joyride-tip-guide, .joyride-modal-bg').remove();
            clearTimeout(this.settings.automate);
            this.settings = {};
        }
    };
}(Foundation.zj, this, this.document));
